Andrés Villarreal

face

Software Engineer

I'm a pragmatic and passionate Software Engineer, quick to learn and adapt, always using the best tool for the current challenge.

Software Engineer

I'm a pragmatic and passionate Software Engineer, quick to learn and adapt, always using the best tool for the current challenge.

CV

Personal Information

Name
Andrés Villarreal Cordero
Address
Berlin, Germany
Email
andres@villarreal.co.cr
Languages
  • Spanish (mother tongue)
  • English (advanced)
  • German (A2)

I'm a pragmatic and passionate Software Engineer, quick to learn and adapt, always using the best tool for the current challenge. I also make music and interactive websites.

Andrés he / him / his cis-male KaeruCT Website

Professional Experience

Nelly Solutions: 2023 - current

  • Implemented engineering guidelines that enhanced delivery speed and software quality.
  • Coordinated testing automation across teams.
  • Consistently delivered and maintained core business products within my team, ensuring scalable, reliable implementations that supported business growth and operational stability.
  • Led by example through mentoring other engineers, providing constructive feedback, and co-organizing impactful hackathons.

Rolls-Royce Solutions Berlin: 2020 - 2023

  • Led development on the user interface used to control energy storage systems.
  • Development of in-house tool to manage software and configuration for energy storage systems.

HelloFresh: 2018 - 2020

  • Optimized an e-commerce funnel making heavy use of A/B testing.
  • Implemented an ultra-performant landing page framework that led to increases in user conversion.
  • Mentored interns and junior engineers.

SecureLink: 2014 - 2018

  • Maintained an enterprise software application.
  • Designed and implemented new features.
  • Improved the stability of our existing codebase by creating automated tests and refactoring.
  • Documented existing software and processes to facilitate knowledge sharing with team mates and new hires.
  • Modernized the application's frontend by introducing tools like NPM into our workflow.
  • Designed and developed an internal dashboard to view customer usage information.

Growth Acceleration Partners: 2012 - 2014

  • Designed, developed, and maintained web applications that made use of the LAMP stack.

Academic Preparation

UCenfotec: 2011 - 2017

Software Development Associate's Degree

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